diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-11-03 23:47:54 +0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-01-05 16:57:12 +0400 |
| commit | 6fca1e17f64936de2e9c614c0d246e65ae553b68 (patch) | |
| tree | fd3232e30b1ed81a89918fca37fc341d85e01144 /arch/arm/mach-footbridge/netwinder-hw.c | |
| parent | 9eb4859564d6e104f78abde15e7f0ca996b71236 (diff) | |
| download | linux-6fca1e17f64936de2e9c614c0d246e65ae553b68.tar.xz | |
ARM: restart: footbridge: use new restart hook
Hook these platforms restart code into the new restart hook rather
than using arch_reset().
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-footbridge/netwinder-hw.c')
| -rw-r--r-- | arch/arm/mach-footbridge/netwinder-hw.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/mach-footbridge/netwinder-hw.c b/arch/arm/mach-footbridge/netwinder-hw.c index 0d3846f3b60d..80a1c5cc9071 100644 --- a/arch/arm/mach-footbridge/netwinder-hw.c +++ b/arch/arm/mach-footbridge/netwinder-hw.c @@ -645,6 +645,32 @@ fixup_netwinder(struct tag *tags, char **cmdline, struct meminfo *mi) #endif } +static void netwinder_restart(char mode, const char *cmd) +{ + if (mode == 's') { + /* Jump into the ROM */ + soft_restart(0x41000000); + } else { + local_irq_disable(); + local_fiq_disable(); + + /* open up the SuperIO chip */ + outb(0x87, 0x370); + outb(0x87, 0x370); + + /* aux function group 1 (logical device 7) */ + outb(0x07, 0x370); + outb(0x07, 0x371); + + /* set GP16 for WD-TIMER output */ + outb(0xe6, 0x370); + outb(0x00, 0x371); + + /* set a RED LED and toggle WD_TIMER for rebooting */ + outb(0xc4, 0x338); + } +} + MACHINE_START(NETWINDER, "Rebel-NetWinder") /* Maintainer: Russell King/Rebel.com */ .atag_offset = 0x100, @@ -656,4 +682,5 @@ MACHINE_START(NETWINDER, "Rebel-NetWinder") .map_io = footbridge_map_io, .init_irq = footbridge_init_irq, .timer = &isa_timer, + .restart = netwinder_restart, MACHINE_END |